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Issue 717110 link

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Issue metadata

Status: Duplicate
Merged: issue 717107
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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18.6% regression in system_health.memory_mobile at 468222:468234

Project Member Reported by nzolghadr@chromium.org, May 1 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=717110

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg8rS6twoM


Bot(s) for this bug's original alert(s):

android-one
Mergedinto: 717107
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : avayvod
  Commit : 77db41b769602da7ccc0106c285490f149fe343d
  Date   : Sat Apr 29 04:09:14 2017
  Subject: Remove the explicit dependency between HTMLMediaElement and MediaControls

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/browse_news/browse_news_toi
  Change       : 19.21% | 67662986.0 -> 80658228.0

Revision             Result                   N
chromium@468221      67662986 +- 4616605      6      good
chromium@468222      68135392 +- 2114486      6      good
chromium@468223      79274122 +- 795938       6      bad       <--
chromium@468225      79780660 +- 2094246      6      bad
chromium@468228      81053493 +- 2954907      6      bad
chromium@468234      80658228 +- 3334074      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.news.toi system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980776841251635104

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4994006347415552


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

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